<!DOCTYPE html><html>	<head>		<title>Multiple Video Sources</title>	</head>	<body>		<video poster="images/puppy.jpg" width="400" height="320" preload controls loop>			<source src="video/puppy.mp4" type='video/mp4;codecs="avc1.42E01E, mp4a.40.2"' />			<source src="video/puppy.webm" type='video/webm;codecs="vp8, vorbis"' />			<p>A video of a puppy playing in the snow</p>		</video>	</body></html>